Oracle Linux 8 Advanced System Administration

Question 1

Examine this command and output:
# cat deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
selector:
matchLabels:
app: nginx
replicas: 2
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.14.2
ports:
- containerPort: 80
Now examine this command which executes successfully:
$ kubectl create -f deployment.yaml
Which two statements are true?

A. The command creates a deployment named nginx.

B. The command specifies nginx image version 1.14.2 and will fail if the image version is not available.

C. The command specifies port 80 as the port that the container exposes.

D. The command creates and guarantees the availability of a specified number of identical pods.

E. The command creates a pod named nginx.

Correct Answer: C,D

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Question 2

Which two directories store PAM authentication modules?

A. /etc/pam.d

B. /var/lib

C. /lib/security

D. /usr/lib

E. /lib64/security

Correct Answer: C,E

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Question 3

Examine this segment of /etc/rsyslog.conf:
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
#kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;authpriv.none;cron.none /var/log/messages
# The authpriv file has restricted access.
authpriv.* /var/log/secure
# Log all the mail messages in one place.
mail.* -/var/log/maillog
# Log cron stuff
cron.* /var/log/cron
# Everybody gets emergency messages
*.emerg :omusrmsg:*
Now examine this log output:
less
Nov 9 20:32:16 server02 sudo[4570]: pam_unix(sudo:session): session opened for user opc (uid=0) Nov 9 20:32:17 server02 sudo[4570]: pam_unix(sudo:session): session closed Nov 9 20:32:24 server02 unix_chkpwd[4661]: password check failed for user Nov 9 20:32:24 server02 su[4581]: pam_unix(su:auth): authentication failed; logname= uid=1000 euid=0 tty=pts/0 ruser=opc rhost= user=root Which setting enabled the reporting of this log file output?

A. cron.* /var/log/cron

B. *.emerg *

C. authpriv.* /var/log/auth

D. #kern.* /dev/sssd/sssd.log

E. *.info;mail.none;authpriv.none;cron.none /var/log/messages

Correct Answer: C

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Question 4

Examine this udev device naming rule which gets processed successfully:
makefile
KERNEL=="hdb", DRIVER=="ide-disk", SYMLINK+="sparedisk"
Which two statements are true?

A. Symbolic link /dev/sparedisk is created for a device named /dev/hdb which has an ide-disk device driver if such a device is discovered.

B. The matching device will have the kernel device name /dev/hdb.

C. The matching device will be named /dev/sparedisk.

D. Symbolic link /dev/sparedisk is created for a device named /dev/hdb or one that has an ide-disk device driver, whichever is discovered first.

E. Symbolic link /dev/sparedisk is created linking to /dev/hdb and with an ide-disk device driver, thus overwriting existing symbolic links.

Correct Answer: A,B

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Question 5

Which three statements are true about DNF modules?

A. Modules are a group of packages that are installed together along with dependencies.

B. Streams are used to define optional configurations of modules.

C. Installing a module allows a user to select a specific stream.

D. Switching an enabled module stream automatically changes installed packages.

E. Packages exist in multiple streams, where each stream contains a different version.

F. Streams cannot declare dependencies on the streams of other modules.

G. Profiles are used to provide alternate versions of the same module.

Correct Answer: A,C,E

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Question 6

Examine these Kubernetes components:

Which option correctly matches the components with their description?

A. 1-d, 2-f, 3-e, 4-a, 5-c, 6-b

B. 1-b, 2-a, 3-e, 4-c, 5-f, 6-d

C. 1-d, 2-f, 3-c, 4-e, 5-a, 6-b

D. 1-c, 2-f, 3-d, 4-b, 5-e, 6-a

E. 1-a, 2-d, 3-b, 4-c, 5-e, 6-f

Correct Answer: C

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Question 7

Which two statements are true about control groups (cgroups) in Oracle Linux 8?

A. A cgroup is a collection of processes bound to a set of limits or parameters defined in the cgroups filesystem.

B. Cgroups allow processes to be organized into hierarchical groups whose resource usage cannot be limited and monitored.

C. Different controllers from cgroups version 1 and cgroups version 2 cannot be used at the same time.

D. The cgroups filesystem allows limits to be overwritten in the lower levels of the hierarchy.

E. Oracle Linux 8 implements cgroups v2 by default.

Correct Answer: A,E

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Oracle Linux 8 Advanced System Administration - 1Z0-106 Exam Practice Test

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